Han, Euna
Kim, Tae Hyun
Koo, Heejo
Yoo, Joonsang
Heo, Ji Hoe
Nam, Hyo Suk http://orcid.org/0000-0002-4415-3995
Funding for this research was provided by:
National Research Foundation Korea (2019R1A2C1003259)
Ministry of Health and Welfare (HC15C1056)
Article History
Received: 18 February 2019
Revised: 7 March 2019
Accepted: 7 March 2019
First Online: 16 March 2019
Compliance with ethical standards
:
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
: The institutional review board of Severance Hospital, Yonsei University Health System, approved this study and waived the patients’ informed consent because of a retrospective design and the observational nature of this study (4-2015-1196).